docs: def args(self):
          """The parsed URL parameters.  By default an
          :class:`~werkzeug.datastructures.ImmutableMultiDict`
          is returned from this function.  This can be changed by setting
          :attr:`parameter_storage_class` to a different type.  This might
          be necessary if the order of the form data is important.
          """
          return url_decode(wsgi_get_bytes(self.environ.get('QUERY_STRING', '')),
                            self.url_charset, errors=self.encoding_errors,
                            cls=self.parameter_storage_class)